OpenTechnical

OT-2026-000003733

Publication integrity record

Vacuum cup gripper, three outlet manifold, plant vacuum fed, contact triggered on the face

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000003733) never changes.

Identity and time

Publication numberOT-2026-000003733 · never reused
Internal UUID01a0a90a-e580-7ca2-a5d6-2190df2903f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:38.754579Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003733
StatusPUBLIC

Content hashes

Canonical text1f4c14075970e3253281c05e999ead62d78d6e854f46b768b8c9348902dbb052
Markdownd847850f788a2e3717bd9463e76d50d249010be82eea8378858a833faf5678fb
PDF
Publication page5ed573b4bc6c4c25d83196c6c0cef5d4bb23b02c4cc503f1d96141a7427762ea
Manifestacc2c41797c8e56c155cb3b9b45e0631f8249870cef19f56cad9b7755cedac0c

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature7usnmGcaW/kduXAbyZTNwYgzzi47x1wS7WWWTAaeXlBcJ7O5Ebk3F1Kb9VzAnlPnuiHtYOxh26eIpDd0PP9zBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:50:33.975242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003733
observed 5ed573b4bc6c4c25d83196c6c0cef5d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.938979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003733/manifest.json
observed acc2c41797c8e56c155cb3b9b45e0631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.925723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003733/publication.md
observed d847850f788a2e3717bd9463e76d50d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.912873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003733/publication.txt
observed 1f4c14075970e3253281c05e999ead62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.